At around 4:43 pm on the 8th, an earthquake occurred with its epicenter in the Hyuga-Nada Sea. The epicenter was about 20 km off the coast of Miyazaki Prefecture, about 31 km deep, and the scale is estimated to be 7.1 on the Richter scale. A maximum seismic intensity of 6 lower was observed in Nichinan City, Miyazaki Prefecture. Masaru Tanaka said, "It wasn't a single 'bang', shaking left and right, but more like a strong blow, like a punch from below. I barely had time to prepare myself, and it was a 'bang' to the side in an instant. It was really quick in an instant." A staff member at a restaurant in the city said, "I guided everyone outside. The buildings in the shopping district themselves were in danger, so we went outside the shopping district and waited for the shaking to stop." On the national highway that runs along the mountain in Nichinan City, stones larger than a person's height were rolling around. A tsunami warning was issued in Nichinan City, so many people evacuated to the rooftops of buildings and other places. A resident who evacuated to higher ground said, "It shook a lot. A lot of things fell. I wasn't injured. I was near the kitchen to the back door." A resident who evacuated to higher ground said, "Soil from the ceiling fell. I think it was soil from the attic. It's an old house." In Nichinan City, a woman in her 80s was rushed to the hospital after something fell on her head, and a woman in her 20s dislocated her right shoulder and was taken to the hospital. A seismic intensity of 5+ was observed in Miyazaki City, 20 kilometers north of Nichinan City. Miyazaki Airport 15 minutes after the earthquake. People in the airport waited on the second and third floors. Due to the risk of a tsunami, evacuation guidance was immediately given to people above the second floor. In a video taken by another person at the same time, water was dripping on the check-in counter. According to the photographer, a water leak occurred inside the airport. The floor was flooded. A total of nine flights from Miyazaki Airport were canceled by All Nippon Airways and Japan Airlines. No major disruptions were reported at other airports. Tsunamis were observed at multiple locations, with the largest at 50 centimeters at Miyazaki Port. However, the damage was by no means small. In Shibushi City, Kagoshima Prefecture, where a seismic intensity of 4 was observed, landslides occurred. In Osaki Town, where a seismic intensity of 5+ was observed, a two-story house collapsed. Shaking was also observed in various parts of Shikoku. The largest was Ikata Town, Ehime Prefecture, where it was a seismic intensity of 4. According to Shikoku Electric Power, the Ikata Nuclear Power Plant Unit 3 is currently out of operation for regular inspection, but the shaking from the earthquake was not detected and there is no impact so far. A tsunami warning was also issued for Kochi Prefecture at one point. A fish farmer who was working right in front of the sea said the following. Aquaculture farmer: "The sea had gone down a little. The waves were moving. It felt like the tide was going out 10 to 15 centimeters. With one sway, the 'Nankai Trough' came to mind. That's how much it was planted. When the swaying started, we got ready to run." A 10-centimeter tsunami was observed at Cape Muroto at 5:42 pm, and a 30-centimeter tsunami was observed at Tosashimizu at 5:46 pm. A cafe owner on the coast said he went outside with a disaster prevention bag in hand. A cafe owner in Tosashimizu City said, "I took my dog ​​outside to look at the sea, and soon a 20-30-centimeter swell was coming in. It's rare for waves to come in in a swell, so it was probably a tsunami swell." The epicenter of this earthquake was the Hyuga-Nada Sea off the coast of Miyazaki Prefecture. The concern in this area is a massive Nankai Trough earthquake, which is expected to kill 320,000 people in the worst case scenario. Shortly after the earthquake, the Japan Meteorological Agency issued an "Emergency Information on the Nankai Trough Earthquake." The Japan Meteorological Agency has begun a related investigation, which will be announced if an earthquake of magnitude 6.8 or more occurs in the expected epicenter area. This is the first time. This review committee will decide whether a "vigilance" is necessary for a huge earthquake in the future, whether "attention" is necessary, or whether "investigation is completed". About two hours after the meeting began. Chief Cabinet Secretary Hayashi: "As a result of investigating this earthquake, it has been assessed that the possibility of another large earthquake occurring in the future is relatively high, and a "Nankai Trough Earthquake Emergency Information Giant Earthquake Attention" has been announced to call attention to large earthquakes." In the case of a "